87 lines
3.1 KiB
CMake
87 lines
3.1 KiB
CMake
# Orthanc - A Lightweight, RESTful DICOM Store
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# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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# Department, University Hospital of Liege, Belgium
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# Copyright (C) 2017-2023 Osimis S.A., Belgium
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# Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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# Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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#
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# This program is free software: you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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if (STATIC_BUILD OR NOT USE_SYSTEM_PROTOBUF)
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if (ENABLE_PROTOBUF_COMPILER)
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include(ExternalProject)
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externalproject_add(ProtobufCompiler
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SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}/../ProtocolBuffers"
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BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/ProtobufCompiler-build"
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# this helps triggering build when changing the external project
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BUILD_ALWAYS 1
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CMAKE_ARGS
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-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
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-DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}
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)
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# The "protoc" compiler is built using "externalproject_add",
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# which builds for the host platform, not for the target platform
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if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
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set(Suffix ".exe")
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else()
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set(Suffix "")
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endif()
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set(PROTOC_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/protoc${Suffix})
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/../ProtocolBuffers/ProtobufLibrary.cmake)
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source_group(ThirdParty\\Protobuf REGULAR_EXPRESSION ${PROTOBUF_SOURCE_DIR}/.*)
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else()
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if (CMAKE_CROSSCOMPILING)
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message(FATAL_ERROR "If cross-compiling, the static version of Protocol Buffers should be used to avoid version mismatch")
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endif()
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if (ENABLE_PROTOBUF_COMPILER)
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find_program(PROTOC_EXECUTABLE protoc)
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if (${PROTOC_EXECUTABLE} MATCHES "PROTOC_EXECUTABLE-NOTFOUND")
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message(FATAL_ERROR "Please install the 'protoc' compiler for Protocol Buffers (package 'protobuf-compiler' on Debian/Ubuntu)")
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endif()
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add_custom_target(ProtobufCompiler)
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endif()
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check_include_file_cxx(google/protobuf/any.h HAVE_PROTOBUF_H)
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if (NOT HAVE_PROTOBUF_H)
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message(FATAL_ERROR "Please install the libprotobuf-dev package")
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endif()
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set(CMAKE_REQUIRED_LIBRARIES "protobuf")
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles(
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"
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#include <google/protobuf/descriptor.h>
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int main()
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{
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google::protobuf::FieldDescriptor::TypeName(google::protobuf::FieldDescriptor::TYPE_FLOAT);
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}
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" HAVE_PROTOBUF_LIB)
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if (NOT HAVE_PROTOBUF_LIB)
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message(FATAL_ERROR "Cannot find the protobuf library")
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endif()
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unset(CMAKE_REQUIRED_LIBRARIES)
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link_libraries(protobuf)
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endif()
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